Pontiac G8 Forum banner
pup cats
1-1 of 1 Results
  1. Exhaust Tech
    Hi everyone. Has anyone actually done this without replacing the whole stock cat back system? I am having one heck of a time getting anyone in the Detroit area to remove the pup cats and mid muffler and replace with an X-pipe on our GXP. I simply want a little more exhaust note from this...
1-1 of 1 Results
Top